Novatools vs Paytools

Your Complete Security & Developer Toolkit Novatools is the essential companion for developers, security professionals, and IT administrators working with cryptography, certificates, and network protocols. Built natively for Apple platforms with a clean, intuitive interface. CRYPTOGRAPHY TOOLS • Generate KeyPairs with modern algorithms • Post-Quantum Cryptography: SLH-DSA, ML-DSA, ML-KEM • OpenSSH KeyPair generation • Symmetric & Asymmetric encryption utilities • Industry-standard crypto operations CERTIFICATE MANAGEMENT • Create Certificate Signing Requests (CSR) • Decode and inspect CSRs • Examine X.509 certificates in detail • PEM/DER format conversion • Sign CSRs to generate certificates • Self-signed certificate creation WEB & NETWORK TOOLS • JWT Viewer & Creator for token inspection • HTTP Server diagnostics and testing • DNS lookup and troubleshooting • URL certificate verification • Full-featured HTTP Client • MQTT Client for IoT development • Netcat-style network utility • Port Scanner for network analysis • Simple Web Server for local testing • SMTP Server for email testing GENERATORS & ENCODERS • UUID & ULID/NanoID generation • Bcrypt password hashing • Base64 & Base64-URL encoding/decoding • QR Code generation • Hash generation (MD5, SHA family) • File hash calculator • Random bytes & nonce generation FEATURES YOU'LL LOVE Native performance on iOS and macOS Favorites system for quick access to frequently-used tools Clean, professional interface No internet connection required for most tools Privacy-focused: all processing happens on-device Regular updates with new tools Whether you're debugging authentication flows, testing certificate chains, generating secure keys, or exploring network services, Novatools provides professional-grade utilities in a single, cohesive app. Perfect for: • Software developers • DevOps engineers • Security researchers • System administrators • Network engineers • Anyone working with web services and cryptography Download Novatools today and streamline your development workflow!

Paytools is an offline payment-engineering workbench for developers, QA engineers, integrators, students, and fintech teams. Decode and inspect common payment-message structures, explore field definitions, convert technical data, and keep essential payment references close at hand. Processing happens locally on your device, so pasted messages and imported files are not uploaded to a server. PAYMENT TOOLS • Inspect ISO 8583 MTIs, bitmaps, and present data elements • Decode and build primary and secondary bitmaps • Parse BER-TLV data and identify common EMV tags • Recognize SWIFT MT blocks and ISO 20022 XML messages • Convert between HEX, ASCII, decimal, binary, and packed BCD • Validate synthetic card numbers with the Luhn algorithm • Compose synthetic Track 2 and ISO-0 PIN-block test data • Use development utilities for XOR and DES odd parity KNOWLEDGE LIBRARY • Search all 128 ISO 8583 data elements • Learn ISO 8583:1987, 1993, and 2003 MTI concepts • Follow authorization from merchant to acquirer, scheme, and issuer • Understand STIP, advice, reversal, clearing, and settlement flows • Review ISO 20022 message families and validation concepts • Study EMV transaction and cryptogram terminology CODES AND FIELDS Search operational response-code references for common ISO profiles, Visa, Mastercard, UnionPay/UPI, 3-D Secure, and gateway HTTP outcomes. Open any ISO field for its purpose, format, and implementation notes, including an expanded guide to DE22 POS Entry Mode. PRIVATE BY DESIGN Paytools has no account requirement and no cloud processing. Use synthetic or appropriately masked test data. Production payment formats and code meanings can vary by network, region, product, and specification release. Paytools is an independent educational and development utility. It is not affiliated with or endorsed by any payment network. Formal certification and production processing require the current authorized specifications, test packs, approved cryptographic systems, and applicable security controls.